EP0954157A3 - Modem apparatus and data communication method - Google Patents

Modem apparatus and data communication method Download PDF

Info

Publication number
EP0954157A3
EP0954157A3 EP99104481A EP99104481A EP0954157A3 EP 0954157 A3 EP0954157 A3 EP 0954157A3 EP 99104481 A EP99104481 A EP 99104481A EP 99104481 A EP99104481 A EP 99104481A EP 0954157 A3 EP0954157 A3 EP 0954157A3
Authority
EP
European Patent Office
Prior art keywords
modem
parameter
communication
shortened
modem parameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99104481A
Other languages
German (de)
French (fr)
Other versions
EP0954157A2 (en
EP0954157B1 (en
Inventor
Yoshihiro Noguchi
Genzo Takagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic System Solutions Japan Co Ltd
Original Assignee
Matsushita Graphic Communication Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Graphic Communication Systems Inc filed Critical Matsushita Graphic Communication Systems Inc
Publication of EP0954157A2 publication Critical patent/EP0954157A2/en
Publication of EP0954157A3 publication Critical patent/EP0954157A3/en
Application granted granted Critical
Publication of EP0954157B1 publication Critical patent/EP0954157B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Abstract

A modem parameter required for a modem apparatus is stored in a memory(20) for each telephone number of a communication destination in advance based on past communications. At a communication time, a receiver side is notified of an execution of the short protocol by a QTSD signal, and sequentially a QINFO signal that includes the modem parameter is transmitted.
Since the modem parameter is received by the communication destination, the pre-protocols such as exchange of parameter, etc., are shortened so that communication time can be shortened. Moreover, since the transmission of modem parameter is repeated until it is confirmed that the communication destination receives the modem parameter, occurrence of communication errors can be avoided so that the shortened pre-protocols can be surely executed.
EP99104481A 1998-04-01 1999-03-05 Modem apparatus and data communication method Expired - Lifetime EP0954157B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP08864698A JP3321081B2 (en) 1998-04-01 1998-04-01 Data communication method and data communication device
JP8864698 1998-04-01

Publications (3)

Publication Number Publication Date
EP0954157A2 EP0954157A2 (en) 1999-11-03
EP0954157A3 true EP0954157A3 (en) 2001-06-13
EP0954157B1 EP0954157B1 (en) 2006-10-11

Family

ID=13948594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104481A Expired - Lifetime EP0954157B1 (en) 1998-04-01 1999-03-05 Modem apparatus and data communication method

Country Status (5)

Country Link
US (1) US6314170B1 (en)
EP (1) EP0954157B1 (en)
JP (1) JP3321081B2 (en)
CA (1) CA2266933C (en)
DE (1) DE69933501T2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3647188B2 (en) * 1997-03-03 2005-05-11 キヤノン株式会社 Communication device
JP3426122B2 (en) * 1997-11-05 2003-07-14 パナソニック コミュニケーションズ株式会社 Data communication device
JP3639705B2 (en) * 1997-11-18 2005-04-20 キヤノン株式会社 Communication apparatus and communication method
US6912276B1 (en) * 1999-04-12 2005-06-28 Silicon Laboratories, Inc. Modem on hold
US6819749B1 (en) * 1999-04-12 2004-11-16 Mindspeed Technologies, Inc. Method and apparatus for fast V.90 modem startup
USRE42661E1 (en) * 1999-04-12 2011-08-30 V-Dot Technologies, Llc Method and apparatus for fast V.90 modem startup
US7233996B2 (en) * 2002-11-12 2007-06-19 Intel Corporation Mechanism to support multiple port configurations
US6985566B2 (en) * 2003-01-28 2006-01-10 Conexant Systems, Inc. Point of sale modem for high-speed communications
US7502338B1 (en) * 2003-12-19 2009-03-10 Apple Inc. De-emphasis training on a point-to-point connection
JP4537910B2 (en) * 2005-08-09 2010-09-08 株式会社リコー Facsimile modem apparatus and facsimile apparatus using the same
US8483108B2 (en) 2006-07-24 2013-07-09 Apple Inc. Apparatus and methods for de-emphasis training on a point-to-point connection
JP2011101102A (en) * 2009-11-04 2011-05-19 Fuji Xerox Co Ltd Image communication apparatus
US9743294B1 (en) * 2017-03-16 2017-08-22 Cognitive Systems Corp. Storing modem parameters for motion detection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4910506A (en) * 1984-11-28 1990-03-20 Canon Kabushiki Kaisha Data communication apparatus
EP0569177A2 (en) * 1992-05-07 1993-11-10 AT&T Corp. A technique for automatic identification of a remote modem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6122072A (en) * 1993-12-06 2000-09-19 Canon Kabushiki Kaisha Data communication apparatus
JPH0818623A (en) 1994-04-26 1996-01-19 Murata Mfg Co Ltd Modem
US6046825A (en) * 1995-05-12 2000-04-04 Canon Kabushiki Kaisha Facsimile apparatus controlling communication in accordance with registered execution of the error correction mode
US5712977A (en) 1995-09-18 1998-01-27 Tdk Systems, Inc. Method and apparatus for initial country selection in a universal modem with cable
JPH10336419A (en) * 1997-05-30 1998-12-18 Canon Inc Facsimile equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4910506A (en) * 1984-11-28 1990-03-20 Canon Kabushiki Kaisha Data communication apparatus
EP0569177A2 (en) * 1992-05-07 1993-11-10 AT&T Corp. A technique for automatic identification of a remote modem

Also Published As

Publication number Publication date
CA2266933C (en) 2002-07-09
JPH11289444A (en) 1999-10-19
JP3321081B2 (en) 2002-09-03
DE69933501D1 (en) 2006-11-23
EP0954157A2 (en) 1999-11-03
DE69933501T2 (en) 2007-02-01
CA2266933A1 (en) 1999-10-01
EP0954157B1 (en) 2006-10-11
US6314170B1 (en) 2001-11-06

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